Lululemon Athletica Power Y Wee Are From Space Neon Pink Opal Luon Tank size 4 EUC Flow freely through all types of yoga in this thin-strapped, racerback tank. Formerly known as the Power Y and now called the Power Pose. Luon fabric is soft, sweat wicking, and four way stretch. Added LYCRA fibre moves with you and stays in great shape Built in shelf bra with optional removable cups included. Tight fit, hip length. Luon 87% Nylon, 13% Lycra Elastane.